<template>
   <div class="icons">
     <swiper :options="swiperOption">
       <swiper-slide v-for="(page , index) of pages" :key="index">
         <div class="icon" v-for="item of page" :key="item.id">
           <div class="icon-img">
             <img class="icon-img-content" :src="item.imgUrl">
           </div>
           <p class="icon-desc">{{item.desc}}</p>
         </div>
       </swiper-slide>
     </swiper>
   </div>
</template>
<script>
export default{
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-pagination-bullet-active
    background:#fff!important
  .icons >>> .swiper-container
    height: 0            //设置宽高比必需
    padding-bottom:50%   //设置宽高比必需
  .icons
    margin-top :.2rem
    .icon
      overflow: hidden
      float:left
      width :25%
      height:0
      padding-bottom: 25%
      /*background :red*/
      position: relative
      .icon-img
        position: absolute
        top:0
        left:0
        right:0
        bottom: 0.44rem
        /*background: blue*/
        box-sizing:border-box
        padding:.1rem
        .icon-img-content
          display: block
          margin :0 auto
          height:100%
      .icon-desc
        position: absolute
        left:0
        right:0
        bottom:0
        height:.44rem
        line-height:.44rem
        text-align: center
        color:$darkTextColor
        ellipsis()
</style>
